Heater.



No. 67|,992. l Paient'ed Apr. I6, |90.

L. DUTBIE. v

HEATER.'

(Application flled.0 ct. 29, 1900.)

(No Mode'l.) 2 Sheets-Sheet I.

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No. 67|,992. Patanted Apr. |6,` |90I.

L. DUTRIE. HEATER.

- (Applicatipn filed Oct. 29, 1900.) No Model.) 2 Sheets-Sheet 2.

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UNITED STATES vFATENT FFIC.

LOUIS DUTRIE, OF STEENWERCK, FRANCE.

HEATER.

SPECIFICATION forming part of Letters Patent N o. 671,992, dated April16, 1901.

Application filed October 29, 1900. Serial No. 34,755. (No model.)

T all whom, it may concern:

Beit known that I, LOUIS DUTRIE, a citizen of the French Republic, and aresident of Steenwerck, Nord, France, have invented certain new anduseful Improvements in Heaters., of which the followingjs aspecification.

My present invention relates to heaters for rooms and the like, theobject being to provide an apparatus of this kind in which a 1o normaland regul-ar circulation of water is obtained, which is readily puttogether and taken to pieces, and enables considerable sav-- ing of fuelto be eected; and it consists in the features of construction and thecombi- 415 nation of parts fully described and claimed hereinafter.

In the accompanying'drawings, forming a portion of this specification,Figure l shows a side elevation of a heater constructed in aczo cordancewith my invention. Fig. 2 is a vertical longitudinal section. Fig. 3 isa rear end view. Fig. 4 is a front elevation-of the heater. Fig. 5 is aplan View showing the furnace. Fig. 6 shows diagrams hereinafterreferred to.

Like characters refer to like parts throughout all the views.

The apparatus comprises, first, two series of three tubes a b c, a b'c', arranged paral- 3o lel to each other, so as to form the sides of thefurnace, and connected at one end by means of tubular connections d d',Figs. 1 and 2. Each of the latter is provided with a lateral nozzle t u,tu', Figs. 4 and 5, which are to be connected with the lower-most partof the apparatus. At the opposite ends the tubes a. b c, a. b c' areconnected with tubular connections r r', said connections being joinedto .each other by means of two tubes 4o d c, d c, forming the rear wallsof the furnace, Fig. 3. Arranged above the two series of tubes a, b c,a' b c' are a plurality of horizontal tubes l l 1, forming the top wallof the furnace and connected to said series by means of tubularconnections, said tubes 1 l being arranged as shown in Fig. 6. Arrangedabove Said tubes 1 1 are other tubes 2 2 2, connected to the formerbymeans of U-shaped connections r r2, Figs. l and 4. Said tubes 2 2 are5o arranged and interconnected, as shown at C, Fig. 6. The tubes 2 2 areconnected to a third series of horizontal tubes 3 3, similar to thetubes 1 l, B D, Fig. 6, and above said tubes 3 3 is a fourth series oftubes 4 4, connected by means of U-shaped connections u' u? andarranged, for instance, as shown at A, Fig. 6. A A designate two nozzlesadapted to be connected to the canalizations. Said nozzles may of coursebe arranged in any desired manner. Hot Water flows through said nozzlesout from the heater into the canalization and back into the heaterthrough the above-named nozzles t u, t u.

As shown'in Figs. 2, 3, and 4, the tubes l 2 3 4 are arrangedalternately or staggered, the couplings at the rear end incliningoutwardly and those at the front end inclining inwardly, thus causing athorough circulation of the products of combustion through them.

It is manifest that the number of series of horizontal tubes l l, 2 2, 33, 4 4. may be selected as required without departing from the scope ofthe invention.

The heater constructed as described is arranged within a casing M, madeof suitable brickwork and provided with a front openingo for theintroduction of fuel, and openings 0, serving for cleaning or repairingpurposes.

The several tubes of the heaters are supported on a plurality of barsff2 fj1 f5, the latter serving at the same time t0 support the front endof the grating.

The combustion products pass from the furnace through the spaces betweenthe several tubes into the funnel c h, provided at the side of thebrickwork and communicating with the chimney.

Having fully described my invention, what I claim, and desire to secureby Letters Patent, is-

In a heater, the combination of the tubes a b c, a' b c forming thelateral walls of the furnace, the tubular connections d, d atone endthereof, the connections r, r and transverse tubes d c, d c at the otherend thereof to form the rear wall of the furnace, and the staggeredhorizontal` tubes l, 2, 3, dac., with their couplings inclinedalternately in and out, forming the top wall of the furnace.

In testimony whereof I have hereunto set my hand in presence of twowitnesses.

LOUIS D-UTRIE.

Witnesses ALPHONSE OoURTEcUIsN, HENRI BEGHIN.

IOO

